Ключевые слова: afternoon, arizona, blue, cacti, cactus, clear, desert, field, flora, golden, green, hiking, hillside, life, light, mountains, national park, nature, outdoor, palo verde, park, plant, plants, prickly, saguaro, saguaro national park, sandy, sharp, spikes, spiky, tall, thorns, trail, tucson, valley, wilderness, winter,